Given a string like #fff443 or #999999
给出像＃fff443或＃999999这样的字符串
How do I verify that the string has:
如何验证字符串是否包含：
- 7 characters, with the first one being a hash
- 7个字符，第一个是哈希
- no symbols in the string besides the hash in the beginning
- 除了开头的哈希之外，字符串中没有符号
1 个解决方案
#1
18
It seems that you are matching against a css color:
看来你匹配css颜色：
function isValidColor(str) {
return str.match(/^#[a-f0-9]{6}$/i) !== null;
}
To elaborate:
详细说明：
^ match beginning# a hash[a-f0-9] any letter from a-f and 0-9{6} the previous group appears exactly 6 times$ match endi ignore case
^匹配开始#a hash [a-f0-9]来自a-f的任何字母和0-9 {6}前一组恰好出现6次$ match end i ignore case
#1
18
It seems that you are matching against a css color:
看来你匹配css颜色：
function isValidColor(str) {
return str.match(/^#[a-f0-9]{6}$/i) !== null;
}
To elaborate:
详细说明：
^ match beginning# a hash[a-f0-9] any letter from a-f and 0-9{6} the previous group appears exactly 6 times$ match endi ignore case
^匹配开始#a hash [a-f0-9]来自a-f的任何字母和0-9 {6}前一组恰好出现6次$ match end i ignore case